destructibility

from WordNet (r) 3.0 (2006)

destructibility
    n 1: vulnerability to destruction [ant: {indestructibility}]

from The Collaborative International Dictionary of English v.0.48

Destructibility \De*struc`ti*bil"i*ty\, n. [Cf. F.
   destructibilit['e].]
   The quality of being capable of destruction;
   destructibleness.
   [1913 Webster]